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PERMITTEE NAME/ADDRESS (include Facility Name/Location if Different) NAME: Twentymile Coal LLC ADDRESS: 29515 Routt CR 27 Oak Creek, CO 80467 FACILITY: MINES 1&2 AND ECKMAN PARK MINE LOCATION: 29515 RCR #27 OAK CREEK, CO 80467 ATTN: Patrick Sollars, GM NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00027154 003-A PERMIT NUMBER I DISCHARGE MONITORING PERIOD MMlDD/YYYY MM/DDfYYYY 03/01/2014r 03/31/2011V Form Approved OMB No. 2040-0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND B TO FOIDEL CREEK External Outfall No Discharge = NAM EITITLE PRINCIPAL EXECUTIVE OFFICER Icertmunder pemkydlaw that "sdocumantand aNPnachmares—aprapadundarmydiR mnnr supervumn n ecmrdance with a systam desgnd In esaum that gwlgd personnN pnpedy gather aM Iwte the adomwtfoa submmd. Based on my mry,ry of the person a persona who manage the system, w 0-- pdaadty respwlmble fr gathamw3 lha mlormatmn. the mfwaat— submMtd a tothe east of my kmr nowhdge and baba(, to . accurate, and m plela I am swan dwt them ere QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT ...... •...** ....+• *.*..* } 0040010 PERMIT •':'•• `••"' •••:*• 6.5 ••'••• 9 SU Weekly GRAB Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, total suspended SAMPLE MEASUREMENT ***~* '***** ~~~ •••~• '/7 C >G 0053010 PERMIT ""••• ~•`•' '••"' '•"•• 35 70 mg/L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, total suspended -- SAMPLE MEASUREMENT ~"" *`*"* '*"" ""'• /,VA ll+- /V(f �/� �j) 0053000 PERMIT '~~• ~•~` •~`~ **~`• Req. Mon. Req. Mon. mg/L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT `*~~ •**"' •*~~ ~*~* C G J C(), t( U /7 Yar% 005451 0 PERMIT "'~' `*"'• *"`•• ""•' Req. Mon. .5 mUL Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Solids, settleable SAMPLE MEASUREMENT `"~'" ~~*" ~"'* '****• f��j n /V4 NIA I(/11– A14 0054500 PERMIT •'••`• •*"•' •~"• •""` Req. Mon. Req. Mon. mUL Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe) SAMPLE MEASUREMENT '•*~• ~~`* ~~~ *~~*z U S j Q / rl7 0104510 PERMIT ••••'• '•"•• *'"~' """ 3500 7000 ug/L Weekly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total [as Fe] SAMPLE MEASUREMENT '~~' ""'• """ "~'• 4 "� / / n� vA IV4 / /VA 0104500 PERMIT *••'•' '••"' ••'~• "•"' Req. Mon. Req. Mon. ug/L Weekly GRAB See Comments REQUIREMENT 30DA AVG DAILY MX NAM EITITLE PRINCIPAL EXECUTIVE OFFICER Icertmunder pemkydlaw that "sdocumantand aNPnachmares—aprapadundarmydiR mnnr supervumn n ecmrdance with a systam desgnd In esaum that gwlgd personnN pnpedy gather aM Iwte the adomwtfoa submmd. Based on my mry,ry of the person a persona who manage the system, w 0-- pdaadty respwlmble fr gathamw3 lha mlormatmn. the mfwaat— submMtd a tothe east of my kmr nowhdge and baba(, to . accurate, and m plela I am swan dwt them ere / t/,� n ` ! �r,,.� /� (,� [� TELEPHONE DATE �/} J U'G lta G T'e-�Q.,y� L 27 eY SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR A•J/ n n ag tha pit ldy & k. am �mpasanmant rn. ,p Wa. —t— nwiwaaa ag..mp-1— forsuamdtamr �Q 7C O 'v rman —btk— AUTHORIZED AGENT TYPED OR PRINTED nRtwcad. NUMBER MMIDDIYYYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) ALTERNATE LIMITS FOR TSS & IRON (MLOC=O) APPLY IF 10YR,24HR PRECIP. EVENT CLAIMED. ALTERNATE LIMITS FORSETTLEABLE SOLIDS (MLOC=O) APPLY ONLY IF >10YR,24HR PRECIP EVENT CLAIMED. OIL & GREASE - SEE I.C.19,PAGE 16. EPA Form 3320-1 (Rev.01/06) Previous editions may be used. 08/26/2013 Page 1